- #1
Joza
- 139
- 0
I was never good at trigonometric identities.
Let z= cos x + i sin x
Express 2/(1 + z) in the form 1 - i tan kx
I need help. A pointer to where to start would be great.
Let z= cos x + i sin x
Express 2/(1 + z) in the form 1 - i tan kx
I need help. A pointer to where to start would be great.